Standard Pack = 1 piece(s). Coolant Hole Diameter Inch = 0.4043 ; Coolant Hole Diameter Metric = 10.2700 ; Coolant Hole Diameter Exit In = 0.0590 ; Coolant Hole Diameter Exit mm = 1.5000 ; System Size Machine Side = BT30 ; Adapter/Shank/Bore Diameter Fraction = 1 1/4 ; Adapter/Shank/Bore Diameter Inch = 1.2500 ; Adapter/Shank/Bore Diameter mm = 31.7500 ; Adapt/Shank/BoreDiaWKPS In = 0.6299 ; Adapt/Shank/BoreDiaWKPS mm = 16 ;